Loans and the Allowance for Loan Losses, Troubled Debt Restructuring (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2012
Troubled Debt Restructurings by Class
Number of modifications	5
Recorded investment prior to modification	$ 3,690
Recorded investment after modification	3,160
Current investment	2,993
Principal forgiveness	530
Restructurings that Subsequently Defaulted [Abstract]
Recorded Investment in Defaulting Loans	253
Real Estate - Second Mortgages [Member]
Troubled Debt Restructurings by Class
Number of modifications	1
Recorded investment prior to modification	111
Recorded investment after modification	145
Current investment	139
Residential, 1-4 Family [Member]
Troubled Debt Restructurings by Class
Number of modifications	1
Recorded investment prior to modification	93
Recorded investment after modification	87
Current investment	72
Commercial [Member]
Troubled Debt Restructurings by Class
Number of modifications	3
Recorded investment prior to modification	3,486
Recorded investment after modification	2,928
Current investment	2,782
Restructurings that Subsequently Defaulted [Abstract]
Recorded Investment in Defaulting Loans	$ 253

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953676-111524

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Amount of investment in financing receivables (after modification) modified by troubled debt restructurings.

+ References

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- Definition

Amount of investment in financing receivables (before modification) modified by troubled debt restructurings.

+ References

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 40

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6951948&loc=d3e18845-111554

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Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 34

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953682-111524

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Reflects the amount of the write-down related to a troubled debt restructuring.

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